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Finding the Fourth Proportional to 32,324.80, 48,422.40 and 21,827.20

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Solution

The fourth proportional to 32,324.80, 48,422.40 and 21,827.20 is: 32,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,324.80 : 48,422.40 = 21,827.20 : x
  2. Step 2: Convert to fraction form
    32,324.80/48,422.40 = 21,827.20/x
  3. Step 3: Cross multiply
    32,324.80x = 48,422.40 × 21,827.20
  4. Step 4: Simplify right side
    32,324.80x = 1,056,925,409.28
  5. Step 5: Solve for x
    x = 1,056,925,409.28/32,324.80
  6. Step 6: Final answer
    x = 32,697.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.